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  1. BIG HEAD

    09 foam removal

    I removed all of mine and put 3M aluminum tape where the heat issues are.
  2. BIG HEAD

    slp intake

    What did you do to adjust your fuel? How many did you put in your box?
  3. BIG HEAD

    short block

    Don't jump the gun. There is a hose, a pump gasket and a gasket for the lower cover that could be leaking.
  4. BIG HEAD

    Main jets with RKT 13.5 head?

    I run 20% 111 VP with 91 premium.
  5. BIG HEAD

    Primary Clutch tools

    14mm thread 1.5 thread pitch
  6. BIG HEAD

    XP Primary disassembly

    14 mm 1.5 thread pitch
  7. BIG HEAD

    Main jets with RKT 13.5 head?

    I was trying to get a feel for what everyone else had. Didn't want to wrestle those carbs out 3-4 times. Thanks for your help.
  8. BIG HEAD

    Main jets with RKT 13.5 head?

    anyone else running the head?
  9. BIG HEAD

    Primary Clutch tools

    Holding tool........I put a big flat screw driver between a ring gear tooth and that little square block on the side of the cylinder. Made a helix tool but my buddy made the threads for in the jack shaft.
  10. BIG HEAD

    exhaust springs breaking

    harmonics..............do the silicone trick!:beer:
  11. BIG HEAD

    08 summit xp brake

    how are the pads??? is the piston comming out too far and the retracting?
  12. BIG HEAD

    race gas in crowsnest, fernie or sparwood area

    Alex Millar at Intermountain in Sparwood sold barrels but don't know about this year. z77@shaw.ca
  13. BIG HEAD

    Main jets with RKT 13.5 head?

    he didn't tell me, just said what his 06 or 07 had in it. 430 Didn't get any info with inserts either.
  14. BIG HEAD

    Stupid question? Throw away bolts

    What holds the secondary belt deflection adjuster in?
  15. BIG HEAD

    Stupid question? Throw away bolts

    If you push the inner half all the way in the bolt head can hit if they are turned the right way. I don't think the secondary shifts all that way out by the look of the belt marks on the sheave.
  16. BIG HEAD

    Main jets with RKT 13.5 head?

    What is everyone running for main jets with RKT 13.5 head? Stock, head only. And at what elevation?
  17. BIG HEAD

    Specialty's compression test - suspicious?

    Some new engines came with that compression. I would tell them incase their gauge is wrong and or nobody else go through it.
  18. BIG HEAD

    summit plugs WHITE LIKE SNOW YIKES

    Around that jet size there is different flowing jets even if the numbers get bigger the engine could run lean. There are 520 and 520 n. 520 could be leaner than 500. Do some searching before you go any further. I thought 490 was ok, but after 500 thing went different. caution!
  19. BIG HEAD

    Stupid question? Throw away bolts

    I used 9.8. Do you know if the hex heads are going to hit on the bearing retainer when the clutch shifts out?
  20. BIG HEAD

    09 xp spark trouble

    same coil for each plug. Fires on top and bottom of stroke. changed plug, changed wire. Now change coil!
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